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ezto.mheducation com Barber Shop Accounting Web Slice Gallery Sites suggérés eAlgonquin.ca 99 Names of A. teric Online AC live NelsonBrain My Home login.aro Windows H- streaming Personnaliser les liens Google Chapter 6 Assignment Courses-Blackboard Learn D Ezto.mheducation Com Barber Sho Web Chegg.com Mohamed Ba Quantitative Methods 2- QUA2343: Winter 2018 QUA2343 Section 060 Chapter 6 Assignment instructions I help Question 2 (of 7) Save &Ekt; Submit 12.50 points Exercise 6-18 A normal population has a mean of 10.3 and a standard deviation of 1.6. Refer to the table in Appendix B.1 a. Compute the z-value associated with 14.3. (Round the final answer to 2 decimal places.) b. What proportion of the population is between 10.3 and 14.3? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.) Proportion What proportion of the population is less than 10.0? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.) Proportion References eBook & Resources

Explanation / Answer

a) z = (X - mean )/sd
= (14.3 - 10.3)/1.6
= 2.5

b)
P(10.3 <X< 14.3)
= P(0 <Z< 2.5)
= 0.4938

c)
P(X < 10)
= P(Z < (10 - 10.3)/1.6)
= P(Z < -0.1875)
= 0.4256

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